DE1171479B - Schaltung zur AEnderung der Oszillatorfrequenz bei UHF-Tunern - Google Patents

Schaltung zur AEnderung der Oszillatorfrequenz bei UHF-Tunern

Info

Publication number
DE1171479B
DE1171479B DET23732A DET0023732A DE1171479B DE 1171479 B DE1171479 B DE 1171479B DE T23732 A DET23732 A DE T23732A DE T0023732 A DET0023732 A DE T0023732A DE 1171479 B DE1171479 B DE 1171479B
Authority
DE
Germany
Prior art keywords
diode
circuit
capacitance
center conductor
frequency
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
DET23732A
Other languages
German (de)
English (en)
Inventor
Dipl-Ing Werner Bachnick
Werner Heitefuss
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefunken Patentverwertungs GmbH
Original Assignee
Telefunken Patentverwertungs GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Telefunken Patentverwertungs GmbH filed Critical Telefunken Patentverwertungs GmbH
Priority to DET23732A priority Critical patent/DE1171479B/de
Priority to US353502A priority patent/US3253239A/en
Priority to BE645477D priority patent/BE645477A/xx
Priority to GB13331/64A priority patent/GB1056415A/en
Publication of DE1171479B publication Critical patent/DE1171479B/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/18—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance
    • H03B5/1805—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a coaxial resonator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D9/00—Demodulation or transference of modulation of modulated electromagnetic waves
    • H03D9/06—Transference of modulation using distributed inductance and capacitance
    • H03D9/0658—Transference of modulation using distributed inductance and capacitance by means of semiconductor devices having more than two electrodes
    • H03D9/0666—Transference of modulation using distributed inductance and capacitance by means of semiconductor devices having more than two electrodes using bipolar transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B2201/00—Aspects of oscillators relating to varying the frequency of the oscillations
    • H03B2201/02—Varying the frequency of the oscillations by electronic means
    • H03B2201/0208—Varying the frequency of the oscillations by electronic means the means being an element with a variable capacitance, e.g. capacitance diode

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
DET23732A 1963-03-29 1963-03-29 Schaltung zur AEnderung der Oszillatorfrequenz bei UHF-Tunern Pending DE1171479B (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DET23732A DE1171479B (de) 1963-03-29 1963-03-29 Schaltung zur AEnderung der Oszillatorfrequenz bei UHF-Tunern
US353502A US3253239A (en) 1963-03-29 1964-03-20 Uhf tuner having quarter wave length tank circuit and capacitance diode for tuning
BE645477D BE645477A (enrdf_load_stackoverflow) 1963-03-29 1964-03-20
GB13331/64A GB1056415A (en) 1963-03-29 1964-03-31 Improvements in or relating to tunable circuit arrangements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DET23732A DE1171479B (de) 1963-03-29 1963-03-29 Schaltung zur AEnderung der Oszillatorfrequenz bei UHF-Tunern

Publications (1)

Publication Number Publication Date
DE1171479B true DE1171479B (de) 1964-06-04

Family

ID=7551135

Family Applications (1)

Application Number Title Priority Date Filing Date
DET23732A Pending DE1171479B (de) 1963-03-29 1963-03-29 Schaltung zur AEnderung der Oszillatorfrequenz bei UHF-Tunern

Country Status (4)

Country Link
US (1) US3253239A (enrdf_load_stackoverflow)
BE (1) BE645477A (enrdf_load_stackoverflow)
DE (1) DE1171479B (enrdf_load_stackoverflow)
GB (1) GB1056415A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0734090A1 (en) * 1995-03-22 1996-09-25 Lk-Products Oy A filter with improved stop/pass ratio

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1198423B (de) * 1964-04-14 1965-08-12 Telefunken Patent Schaltung zur Erdung einer Transistorelektrode fuer hochfrequente elektrische Schwingungen in einer Abstimmeinrichtung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0734090A1 (en) * 1995-03-22 1996-09-25 Lk-Products Oy A filter with improved stop/pass ratio
US5739735A (en) * 1995-03-22 1998-04-14 Lk Products Oy Filter with improved stop/pass ratio

Also Published As

Publication number Publication date
US3253239A (en) 1966-05-24
GB1056415A (en) 1967-01-25
BE645477A (enrdf_load_stackoverflow) 1964-07-16

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